How do I play games on debug ps3?

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sorry guys, but i have a debugged ps3 on 2.30 firmware but i cant play newly released games because the updates are like 2.42 or more, i would like to know if there is a way to bypass this or if anyone knows how to uninstall the debugged firmware and change it into a normal ps3... i would be really greatfull if anyone can help coz its really starting to annoy me know